/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraEditorModule.h
typedef TMulticastDelegate_TwoParams< void, [UNiagaraScript](API\Plugins\Niagara\UNiagaraScript) *, [FGuid](API\Runtime\Core\Misc\FGuid) > FOnScriptApplied